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<H1>[pycrypto] python crypto with python 3.0 or 3.1</H1>
<B>Grail Dane</B>
<A HREF="mailto:pycrypto%40lists.dlitz.net?Subject=%5Bpycrypto%5D%20python%20crypto%20with%20python%203.0%20or%203.1&In-Reply-To=SNT132-w193E74A25DFDF35C5F7184B1690%40phx.gbl"
TITLE="[pycrypto] python crypto with python 3.0 or 3.1">grail69 at hotmail.com
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<I>Fri Jan 15 03:20:20 CST 2010</I>
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Hi All
So I am going to go on a limb a little and say I have successfully compiled pycrypto with python 3.1.1
The attached patch makes the necessary changes to remove any errors during install.If someone would like to give me a small test script, I am happy to see if my tinkering actually worksor is just allowing it to install??
I am also aware that some of the changes are probably not the best way to do it, but I am happy to investigatefurther once I have it working :)
CheersGrail
From: <A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">grail69 at hotmail.com</A>
To: <A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">pycrypto at lists.dlitz.net</A>
Date: Fri, 15 Jan 2010 00:32:04 +0000
Subject: Re: [pycrypto] python crypto with python 3.0 or 3.1
Hi
Thanks for the speedy reply :)
I am a little confused though as the doco for 3.1 says:
PyVarObjectThis is an extension of PyObject that adds the ob_size field. This is only used for objects that have some notion of length. This type does not often appear in the Python/C API. It corresponds to the fields defined by the expansion of the PyObject_VAR_HEAD macro.This appears to be the same as what is written in the doco for 2.6.4 as well, which pycrypto seems to work with.
Well i will keep looking to see what i can find out.
CheersGrail
><i> Date: Thu, 14 Jan 2010 10:07:36 +0100
</I>><i> From: <A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">don at amberfisharts.com</A>
</I>><i> To: <A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">pycrypto at lists.dlitz.net</A>
</I>><i> Subject: Re: [pycrypto] python crypto with python 3.0 or 3.1
</I>><i>
</I>><i> Hi,
</I>><i>
</I>><i> as far as I know there hasn't been a move to port pyCrypto to python 3.x
</I>><i> so simply compiling against python 3.x is bound to fail!
</I>><i> If you try to port yourself and during that effort ran into this compiler
</I>><i> error then if you look at the documentation [1] or this blog post [2]
</I>><i> (it's
</I>><i> a bit outdated since the docs have been fixed in the meantime) you will
</I>><i> see
</I>><i> that the first few lines (besides other things) of a python extension type
</I>><i> have
</I>><i> changed from
</I>><i>
</I>><i> PyObject_HEAD_INIT(NULL)
</I>><i> 0, /* ob_size */
</I>><i> "myTypeName", /* tp_name */
</I>><i>
</I>><i> to
</I>><i>
</I>><i> PyVarObject_HEAD_INIT(NULL, 0)
</I>><i> "myTypeName", /* tp_name */
</I>><i>
</I>><i> If I recall correctly, the ob_size has be moved to a different structure
</I>><i> and no longer
</I>><i> is a member of PyTypeObject.
</I>><i> So to sum it up:
</I>><i> * no porting effort exist so far, AFAIK
</I>><i> * no, the error is not bogus
</I>><i>
</I>><i> sincerely yours
</I>><i> //Lorenz
</I>><i>
</I>><i> [1] <A HREF="http://docs.python.org/dev/py3k/extending/newtypes.html">http://docs.python.org/dev/py3k/extending/newtypes.html</A>
</I>><i> [2]
</I>><i> <A HREF="http://rhodesmill.org/brandon/2008/porting-a-c-extension-module-to-python-30/">http://rhodesmill.org/brandon/2008/porting-a-c-extension-module-to-python-30/</A>
</I>><i>
</I>><i>
</I>><i>
</I>><i> On Thu, 14 Jan 2010 07:52:59 +0000, Grail Dane <<A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">grail69 at hotmail.com</A>>
</I>><i> wrote:
</I>><i> > Hi GuysI am new to the list but have recently run into this issue.Has
</I>><i> > there been any movement?Personally I am stuck when gcc tries to compile
</I>><i> > src/_fastmath.cwhich seems to die with an error about 'ob_size' member
</I>><i> not
</I>><i> > existing :(This seems to be bogus as I traced back the struct's to
</I>><i> include
</I>><i> > PyObject_VAR_HEADwhich does have this as member.Any further help on this
</I>><i> > would be appreciated ;)Cheers Grail>On Fri, Dec 04, 2009 at 11:44:00AM
</I>><i> > +0100, Tobias Koeck wrote:>>Is it possible to run python crypto with
</I>><i> python
</I>><i> > 3.0 or 3.1. If not is
</I>><i> >>>it planed to adjust?
</I>><i> >
</I>><i> >>Sure, and it'll happen sooner if somebody volunteers to do it. :-)
</I>><i> >
</I>><i> >>There will need to be be some strategy for Python 2.x compatibility, and
</I>><i>
</I>><i> >>the contributor(s) need to to meet the PyCrypto Code Submission
</I>><i> >>Requirements:
</I>><i> >
</I>><i> >><A HREF="http://www.dlitz.net/software/pycrypto/submission-requirements/">http://www.dlitz.net/software/pycrypto/submission-requirements/</A>
</I>><i> >
</I>><i> >>--
</I>><i> >>Dwayne C. Litzenberger <dlitz at dlitz.net>
</I>><i> >> Key-signing key - 19E1 1FE8 B3CF F273 ED17 4A24 928C EC13 39C2 5CF7
</I>><i> >> Annual key (2009) - C805 1746 397B 0202 2758 2821 58E0 894B 81D2 582E
</I>><i> >>
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